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Limit tuple size resulting from spread (#42448)
* Limit tuple size resulting from spread * Update limit to 10k * Update baseline after merge conflict
This commit is contained in:
Andrew Branch
@@ -13173,8 +13173,15 @@ namespace ts {
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addElement(type, ElementFlags.Variadic, target.labeledElementDeclarations?.[i]);
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}
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else if (isTupleType(type)) {
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const elements = getTypeArguments(type);
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if (elements.length + expandedTypes.length >= 10_000) {
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error(currentNode, isPartOfTypeNode(currentNode!)
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? Diagnostics.Type_produces_a_tuple_type_that_is_too_large_to_represent
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: Diagnostics.Expression_produces_a_tuple_type_that_is_too_large_to_represent);
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return errorType;
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}
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// Spread variadic elements with tuple types into the resulting tuple.
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forEach(getTypeArguments(type), (t, n) => addElement(t, type.target.elementFlags[n], type.target.labeledElementDeclarations?.[n]));
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forEach(elements, (t, n) => addElement(t, type.target.elementFlags[n], type.target.labeledElementDeclarations?.[n]));
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}
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else {
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// Treat everything else as an array type and create a rest element.
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@@ -3248,6 +3248,14 @@
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"category": "Error",
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"code": 2798
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},
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"Type produces a tuple type that is too large to represent.": {
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"category": "Error",
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"code": 2799
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},
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"Expression produces a tuple type that is too large to represent.": {
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"category": "Error",
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"code": 2800
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},
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"Import declaration '{0}' is using private name '{1}'.": {
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"category": "Error",
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@@ -0,0 +1,54 @@
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tests/cases/compiler/excessivelyLargeTupleSpread.ts(6,10): error TS2589: Type instantiation is excessively deep and possibly infinite.
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tests/cases/compiler/excessivelyLargeTupleSpread.ts(6,10): error TS2799: Type produces a tuple type that is too large to represent.
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tests/cases/compiler/excessivelyLargeTupleSpread.ts(22,12): error TS2799: Type produces a tuple type that is too large to represent.
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tests/cases/compiler/excessivelyLargeTupleSpread.ts(38,13): error TS2800: Expression produces a tuple type that is too large to represent.
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==== tests/cases/compiler/excessivelyLargeTupleSpread.ts (4 errors) ====
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// #41771
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type BuildTuple<L extends number, T extends any[] = [any]> =
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T['length'] extends L ? T : BuildTuple<L, [...T, ...T]>;
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type A = BuildTuple<3>
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~~~~~~~~~~~~~
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!!! error TS2589: Type instantiation is excessively deep and possibly infinite.
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~~~~~~~~~~~~~
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!!! error TS2799: Type produces a tuple type that is too large to represent.
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type T0 = [any];
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type T1 = [...T0, ...T0];
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type T2 = [...T1, ...T1];
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type T3 = [...T2, ...T2];
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type T4 = [...T3, ...T3];
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type T5 = [...T4, ...T4];
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type T6 = [...T5, ...T5];
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type T7 = [...T6, ...T6];
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type T8 = [...T7, ...T7];
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type T9 = [...T8, ...T8];
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type T10 = [...T9, ...T9];
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type T11 = [...T10, ...T10];
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type T12 = [...T11, ...T11];
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type T13 = [...T12, ...T12];
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type T14 = [...T13, ...T13]; // 2^14 > 10,000
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~~~~~~~~~~~~~~~~
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!!! error TS2799: Type produces a tuple type that is too large to represent.
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const a0 = [0] as const;
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const a1 = [...a0, ...a0] as const;
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const a2 = [...a1, ...a1] as const;
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const a3 = [...a2, ...a2] as const;
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const a4 = [...a3, ...a3] as const;
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const a5 = [...a4, ...a4] as const;
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const a6 = [...a5, ...a5] as const;
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const a7 = [...a6, ...a6] as const;
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const a8 = [...a7, ...a7] as const;
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const a9 = [...a8, ...a8] as const;
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const a10 = [...a9, ...a9] as const;
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const a11 = [...a10, ...a10] as const;
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const a12 = [...a11, ...a11] as const;
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const a13 = [...a12, ...a12] as const;
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const a14 = [...a13, ...a13] as const; // 2^14 > 10,000
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~~~~~~~~~~~~~~~~
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!!! error TS2800: Expression produces a tuple type that is too large to represent.
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63
tests/baselines/reference/excessivelyLargeTupleSpread.js
Normal file
63
tests/baselines/reference/excessivelyLargeTupleSpread.js
Normal file
@@ -0,0 +1,63 @@
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//// [excessivelyLargeTupleSpread.ts]
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// #41771
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type BuildTuple<L extends number, T extends any[] = [any]> =
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T['length'] extends L ? T : BuildTuple<L, [...T, ...T]>;
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type A = BuildTuple<3>
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type T0 = [any];
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type T1 = [...T0, ...T0];
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type T2 = [...T1, ...T1];
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type T3 = [...T2, ...T2];
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type T4 = [...T3, ...T3];
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type T5 = [...T4, ...T4];
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type T6 = [...T5, ...T5];
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type T7 = [...T6, ...T6];
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type T8 = [...T7, ...T7];
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type T9 = [...T8, ...T8];
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type T10 = [...T9, ...T9];
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type T11 = [...T10, ...T10];
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type T12 = [...T11, ...T11];
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type T13 = [...T12, ...T12];
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type T14 = [...T13, ...T13]; // 2^14 > 10,000
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const a0 = [0] as const;
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const a1 = [...a0, ...a0] as const;
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const a2 = [...a1, ...a1] as const;
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const a3 = [...a2, ...a2] as const;
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const a4 = [...a3, ...a3] as const;
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const a5 = [...a4, ...a4] as const;
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const a6 = [...a5, ...a5] as const;
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const a7 = [...a6, ...a6] as const;
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const a8 = [...a7, ...a7] as const;
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const a9 = [...a8, ...a8] as const;
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const a10 = [...a9, ...a9] as const;
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const a11 = [...a10, ...a10] as const;
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const a12 = [...a11, ...a11] as const;
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const a13 = [...a12, ...a12] as const;
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const a14 = [...a13, ...a13] as const; // 2^14 > 10,000
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//// [excessivelyLargeTupleSpread.js]
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// #41771
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var __spreadArray = (this && this.__spreadArray) || function (to, from) {
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for (var i = 0, il = from.length, j = to.length; i < il; i++, j++)
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to[j] = from[i];
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return to;
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};
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var a0 = [0];
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var a1 = __spreadArray(__spreadArray([], a0), a0);
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var a2 = __spreadArray(__spreadArray([], a1), a1);
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var a3 = __spreadArray(__spreadArray([], a2), a2);
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var a4 = __spreadArray(__spreadArray([], a3), a3);
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var a5 = __spreadArray(__spreadArray([], a4), a4);
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var a6 = __spreadArray(__spreadArray([], a5), a5);
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var a7 = __spreadArray(__spreadArray([], a6), a6);
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var a8 = __spreadArray(__spreadArray([], a7), a7);
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var a9 = __spreadArray(__spreadArray([], a8), a8);
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var a10 = __spreadArray(__spreadArray([], a9), a9);
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var a11 = __spreadArray(__spreadArray([], a10), a10);
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var a12 = __spreadArray(__spreadArray([], a11), a11);
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var a13 = __spreadArray(__spreadArray([], a12), a12);
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var a14 = __spreadArray(__spreadArray([], a13), a13); // 2^14 > 10,000
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167
tests/baselines/reference/excessivelyLargeTupleSpread.symbols
Normal file
167
tests/baselines/reference/excessivelyLargeTupleSpread.symbols
Normal file
@@ -0,0 +1,167 @@
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=== tests/cases/compiler/excessivelyLargeTupleSpread.ts ===
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// #41771
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type BuildTuple<L extends number, T extends any[] = [any]> =
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>BuildTuple : Symbol(BuildTuple, Decl(excessivelyLargeTupleSpread.ts, 0, 0))
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>L : Symbol(L, Decl(excessivelyLargeTupleSpread.ts, 2, 16))
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>T : Symbol(T, Decl(excessivelyLargeTupleSpread.ts, 2, 33))
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T['length'] extends L ? T : BuildTuple<L, [...T, ...T]>;
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>T : Symbol(T, Decl(excessivelyLargeTupleSpread.ts, 2, 33))
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>L : Symbol(L, Decl(excessivelyLargeTupleSpread.ts, 2, 16))
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>T : Symbol(T, Decl(excessivelyLargeTupleSpread.ts, 2, 33))
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>BuildTuple : Symbol(BuildTuple, Decl(excessivelyLargeTupleSpread.ts, 0, 0))
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>L : Symbol(L, Decl(excessivelyLargeTupleSpread.ts, 2, 16))
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>T : Symbol(T, Decl(excessivelyLargeTupleSpread.ts, 2, 33))
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>T : Symbol(T, Decl(excessivelyLargeTupleSpread.ts, 2, 33))
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type A = BuildTuple<3>
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>A : Symbol(A, Decl(excessivelyLargeTupleSpread.ts, 3, 60))
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>BuildTuple : Symbol(BuildTuple, Decl(excessivelyLargeTupleSpread.ts, 0, 0))
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type T0 = [any];
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>T0 : Symbol(T0, Decl(excessivelyLargeTupleSpread.ts, 5, 22))
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type T1 = [...T0, ...T0];
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>T1 : Symbol(T1, Decl(excessivelyLargeTupleSpread.ts, 7, 16))
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>T0 : Symbol(T0, Decl(excessivelyLargeTupleSpread.ts, 5, 22))
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>T0 : Symbol(T0, Decl(excessivelyLargeTupleSpread.ts, 5, 22))
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type T2 = [...T1, ...T1];
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>T2 : Symbol(T2, Decl(excessivelyLargeTupleSpread.ts, 8, 25))
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>T1 : Symbol(T1, Decl(excessivelyLargeTupleSpread.ts, 7, 16))
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>T1 : Symbol(T1, Decl(excessivelyLargeTupleSpread.ts, 7, 16))
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type T3 = [...T2, ...T2];
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>T3 : Symbol(T3, Decl(excessivelyLargeTupleSpread.ts, 9, 25))
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>T2 : Symbol(T2, Decl(excessivelyLargeTupleSpread.ts, 8, 25))
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>T2 : Symbol(T2, Decl(excessivelyLargeTupleSpread.ts, 8, 25))
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type T4 = [...T3, ...T3];
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>T4 : Symbol(T4, Decl(excessivelyLargeTupleSpread.ts, 10, 25))
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>T3 : Symbol(T3, Decl(excessivelyLargeTupleSpread.ts, 9, 25))
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>T3 : Symbol(T3, Decl(excessivelyLargeTupleSpread.ts, 9, 25))
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type T5 = [...T4, ...T4];
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>T5 : Symbol(T5, Decl(excessivelyLargeTupleSpread.ts, 11, 25))
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>T4 : Symbol(T4, Decl(excessivelyLargeTupleSpread.ts, 10, 25))
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>T4 : Symbol(T4, Decl(excessivelyLargeTupleSpread.ts, 10, 25))
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type T6 = [...T5, ...T5];
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>T6 : Symbol(T6, Decl(excessivelyLargeTupleSpread.ts, 12, 25))
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>T5 : Symbol(T5, Decl(excessivelyLargeTupleSpread.ts, 11, 25))
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>T5 : Symbol(T5, Decl(excessivelyLargeTupleSpread.ts, 11, 25))
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type T7 = [...T6, ...T6];
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>T7 : Symbol(T7, Decl(excessivelyLargeTupleSpread.ts, 13, 25))
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>T6 : Symbol(T6, Decl(excessivelyLargeTupleSpread.ts, 12, 25))
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>T6 : Symbol(T6, Decl(excessivelyLargeTupleSpread.ts, 12, 25))
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type T8 = [...T7, ...T7];
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>T8 : Symbol(T8, Decl(excessivelyLargeTupleSpread.ts, 14, 25))
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>T7 : Symbol(T7, Decl(excessivelyLargeTupleSpread.ts, 13, 25))
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>T7 : Symbol(T7, Decl(excessivelyLargeTupleSpread.ts, 13, 25))
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type T9 = [...T8, ...T8];
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>T9 : Symbol(T9, Decl(excessivelyLargeTupleSpread.ts, 15, 25))
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>T8 : Symbol(T8, Decl(excessivelyLargeTupleSpread.ts, 14, 25))
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>T8 : Symbol(T8, Decl(excessivelyLargeTupleSpread.ts, 14, 25))
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type T10 = [...T9, ...T9];
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>T10 : Symbol(T10, Decl(excessivelyLargeTupleSpread.ts, 16, 25))
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>T9 : Symbol(T9, Decl(excessivelyLargeTupleSpread.ts, 15, 25))
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>T9 : Symbol(T9, Decl(excessivelyLargeTupleSpread.ts, 15, 25))
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type T11 = [...T10, ...T10];
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>T11 : Symbol(T11, Decl(excessivelyLargeTupleSpread.ts, 17, 26))
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>T10 : Symbol(T10, Decl(excessivelyLargeTupleSpread.ts, 16, 25))
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>T10 : Symbol(T10, Decl(excessivelyLargeTupleSpread.ts, 16, 25))
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type T12 = [...T11, ...T11];
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>T12 : Symbol(T12, Decl(excessivelyLargeTupleSpread.ts, 18, 28))
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>T11 : Symbol(T11, Decl(excessivelyLargeTupleSpread.ts, 17, 26))
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>T11 : Symbol(T11, Decl(excessivelyLargeTupleSpread.ts, 17, 26))
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type T13 = [...T12, ...T12];
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>T13 : Symbol(T13, Decl(excessivelyLargeTupleSpread.ts, 19, 28))
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>T12 : Symbol(T12, Decl(excessivelyLargeTupleSpread.ts, 18, 28))
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>T12 : Symbol(T12, Decl(excessivelyLargeTupleSpread.ts, 18, 28))
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type T14 = [...T13, ...T13]; // 2^14 > 10,000
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>T14 : Symbol(T14, Decl(excessivelyLargeTupleSpread.ts, 20, 28))
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>T13 : Symbol(T13, Decl(excessivelyLargeTupleSpread.ts, 19, 28))
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>T13 : Symbol(T13, Decl(excessivelyLargeTupleSpread.ts, 19, 28))
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const a0 = [0] as const;
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>a0 : Symbol(a0, Decl(excessivelyLargeTupleSpread.ts, 23, 5))
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const a1 = [...a0, ...a0] as const;
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>a1 : Symbol(a1, Decl(excessivelyLargeTupleSpread.ts, 24, 5))
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>a0 : Symbol(a0, Decl(excessivelyLargeTupleSpread.ts, 23, 5))
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>a0 : Symbol(a0, Decl(excessivelyLargeTupleSpread.ts, 23, 5))
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const a2 = [...a1, ...a1] as const;
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>a2 : Symbol(a2, Decl(excessivelyLargeTupleSpread.ts, 25, 5))
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>a1 : Symbol(a1, Decl(excessivelyLargeTupleSpread.ts, 24, 5))
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>a1 : Symbol(a1, Decl(excessivelyLargeTupleSpread.ts, 24, 5))
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const a3 = [...a2, ...a2] as const;
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>a3 : Symbol(a3, Decl(excessivelyLargeTupleSpread.ts, 26, 5))
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>a2 : Symbol(a2, Decl(excessivelyLargeTupleSpread.ts, 25, 5))
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>a2 : Symbol(a2, Decl(excessivelyLargeTupleSpread.ts, 25, 5))
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const a4 = [...a3, ...a3] as const;
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>a4 : Symbol(a4, Decl(excessivelyLargeTupleSpread.ts, 27, 5))
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>a3 : Symbol(a3, Decl(excessivelyLargeTupleSpread.ts, 26, 5))
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>a3 : Symbol(a3, Decl(excessivelyLargeTupleSpread.ts, 26, 5))
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const a5 = [...a4, ...a4] as const;
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>a5 : Symbol(a5, Decl(excessivelyLargeTupleSpread.ts, 28, 5))
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>a4 : Symbol(a4, Decl(excessivelyLargeTupleSpread.ts, 27, 5))
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>a4 : Symbol(a4, Decl(excessivelyLargeTupleSpread.ts, 27, 5))
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const a6 = [...a5, ...a5] as const;
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>a6 : Symbol(a6, Decl(excessivelyLargeTupleSpread.ts, 29, 5))
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>a5 : Symbol(a5, Decl(excessivelyLargeTupleSpread.ts, 28, 5))
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>a5 : Symbol(a5, Decl(excessivelyLargeTupleSpread.ts, 28, 5))
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const a7 = [...a6, ...a6] as const;
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>a7 : Symbol(a7, Decl(excessivelyLargeTupleSpread.ts, 30, 5))
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>a6 : Symbol(a6, Decl(excessivelyLargeTupleSpread.ts, 29, 5))
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>a6 : Symbol(a6, Decl(excessivelyLargeTupleSpread.ts, 29, 5))
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const a8 = [...a7, ...a7] as const;
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>a8 : Symbol(a8, Decl(excessivelyLargeTupleSpread.ts, 31, 5))
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>a7 : Symbol(a7, Decl(excessivelyLargeTupleSpread.ts, 30, 5))
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>a7 : Symbol(a7, Decl(excessivelyLargeTupleSpread.ts, 30, 5))
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const a9 = [...a8, ...a8] as const;
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>a9 : Symbol(a9, Decl(excessivelyLargeTupleSpread.ts, 32, 5))
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>a8 : Symbol(a8, Decl(excessivelyLargeTupleSpread.ts, 31, 5))
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>a8 : Symbol(a8, Decl(excessivelyLargeTupleSpread.ts, 31, 5))
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const a10 = [...a9, ...a9] as const;
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>a10 : Symbol(a10, Decl(excessivelyLargeTupleSpread.ts, 33, 5))
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>a9 : Symbol(a9, Decl(excessivelyLargeTupleSpread.ts, 32, 5))
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>a9 : Symbol(a9, Decl(excessivelyLargeTupleSpread.ts, 32, 5))
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const a11 = [...a10, ...a10] as const;
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>a11 : Symbol(a11, Decl(excessivelyLargeTupleSpread.ts, 34, 5))
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>a10 : Symbol(a10, Decl(excessivelyLargeTupleSpread.ts, 33, 5))
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>a10 : Symbol(a10, Decl(excessivelyLargeTupleSpread.ts, 33, 5))
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const a12 = [...a11, ...a11] as const;
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>a12 : Symbol(a12, Decl(excessivelyLargeTupleSpread.ts, 35, 5))
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>a11 : Symbol(a11, Decl(excessivelyLargeTupleSpread.ts, 34, 5))
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>a11 : Symbol(a11, Decl(excessivelyLargeTupleSpread.ts, 34, 5))
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const a13 = [...a12, ...a12] as const;
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>a13 : Symbol(a13, Decl(excessivelyLargeTupleSpread.ts, 36, 5))
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>a12 : Symbol(a12, Decl(excessivelyLargeTupleSpread.ts, 35, 5))
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>a12 : Symbol(a12, Decl(excessivelyLargeTupleSpread.ts, 35, 5))
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const a14 = [...a13, ...a13] as const; // 2^14 > 10,000
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>a14 : Symbol(a14, Decl(excessivelyLargeTupleSpread.ts, 37, 5))
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>a13 : Symbol(a13, Decl(excessivelyLargeTupleSpread.ts, 36, 5))
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>a13 : Symbol(a13, Decl(excessivelyLargeTupleSpread.ts, 36, 5))
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188
tests/baselines/reference/excessivelyLargeTupleSpread.types
Normal file
188
tests/baselines/reference/excessivelyLargeTupleSpread.types
Normal file
File diff suppressed because one or more lines are too long
38
tests/cases/compiler/excessivelyLargeTupleSpread.ts
Normal file
38
tests/cases/compiler/excessivelyLargeTupleSpread.ts
Normal file
@@ -0,0 +1,38 @@
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// #41771
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type BuildTuple<L extends number, T extends any[] = [any]> =
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T['length'] extends L ? T : BuildTuple<L, [...T, ...T]>;
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type A = BuildTuple<3>
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type T0 = [any];
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type T1 = [...T0, ...T0];
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type T2 = [...T1, ...T1];
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||||
type T3 = [...T2, ...T2];
|
||||
type T4 = [...T3, ...T3];
|
||||
type T5 = [...T4, ...T4];
|
||||
type T6 = [...T5, ...T5];
|
||||
type T7 = [...T6, ...T6];
|
||||
type T8 = [...T7, ...T7];
|
||||
type T9 = [...T8, ...T8];
|
||||
type T10 = [...T9, ...T9];
|
||||
type T11 = [...T10, ...T10];
|
||||
type T12 = [...T11, ...T11];
|
||||
type T13 = [...T12, ...T12];
|
||||
type T14 = [...T13, ...T13]; // 2^14 > 10,000
|
||||
|
||||
const a0 = [0] as const;
|
||||
const a1 = [...a0, ...a0] as const;
|
||||
const a2 = [...a1, ...a1] as const;
|
||||
const a3 = [...a2, ...a2] as const;
|
||||
const a4 = [...a3, ...a3] as const;
|
||||
const a5 = [...a4, ...a4] as const;
|
||||
const a6 = [...a5, ...a5] as const;
|
||||
const a7 = [...a6, ...a6] as const;
|
||||
const a8 = [...a7, ...a7] as const;
|
||||
const a9 = [...a8, ...a8] as const;
|
||||
const a10 = [...a9, ...a9] as const;
|
||||
const a11 = [...a10, ...a10] as const;
|
||||
const a12 = [...a11, ...a11] as const;
|
||||
const a13 = [...a12, ...a12] as const;
|
||||
const a14 = [...a13, ...a13] as const; // 2^14 > 10,000
|
||||
Reference in New Issue
Block a user